'Opening' in the Bible

And they came into the house and saw the young child with Mary his mother; and they fell down and worshipped him; and opening their treasures they offered unto him gifts, gold and frankincense and myrrh.

opening and alleging that it behooved the Christ to suffer, and to rise again from the dead; and that this Jesus, whom,'said he, I proclaim unto you, is the Christ.

And on my behalf, that utterance may be given unto me in opening my mouth, to make known with boldness the mystery of the gospel,

Doth the fountain send forth from the same opening sweet water and bitter?